Home / 31,017.47-46,515.76-12,303.95

Finding the Fourth Proportional to 31,017.47, 46,515.76 and 12,303.95

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Solution

The fourth proportional to 31,017.47, 46,515.76 and 12,303.95 is: 18,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,017.47 : 46,515.76 = 12,303.95 : x
  2. Step 2: Convert to fraction form
    31,017.47/46,515.76 = 12,303.95/x
  3. Step 3: Cross multiply
    31,017.47x = 46,515.76 × 12,303.95
  4. Step 4: Simplify right side
    31,017.47x = 572,327,321.91
  5. Step 5: Solve for x
    x = 572,327,321.91/31,017.47
  6. Step 6: Final answer
    x = 18,451.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.